Recently, a kind of umbrella that blooms in water is very popular in the market. Because of its beauty and fun, this umbrella is sought after by many people. What is the principle of this discoloration when exposed to water?
1. This is a new type of material. When the molecular material of the printing dye (used for printing) meets the water molecules, the reflection and refraction of light will change, and the pattern can be seen. Similarly, there are changes in color with temperature changes and so on.
2. This is a kind of engraving material, discharge printing, it uses a reducing agent to destroy the background color of the fabric, and then obtain a partially decolorized or colored pattern
3. It is just a pattern of silk screen, called the color changer, the pattern will be hidden when it is sunny, and will show up when it sees rain
This umbrella that comes out with water patterns is based on the original rainbow umbrella with this technology. It is a magical umbrella that will appear when it encounters water and disappear as soon as the water dries. And the inner layer is black tape, which can effectively prevent ultraviolet rays
The inner layer is black rubber umbrella cloth, which is UV-resistant and has no peculiar smell, and is not easy to age. It can effectively prevent rain from being washed for a long time and affect the sun. The sun protection factor UPF is greater than 50.